Seat-tunnel assembly for a snowmobile



FIG. 1 is a front right perspective view of a seat-tunnel assembly for a snowmobile;

FIG. 2 is a front right perspective thereof;

FIG. 3 is a rear left perspective thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof; and,

FIG. 6 is a top plan view thereof.

In the drawings, the broken lines depict environmental subject matter and surface indicia only and form no part of the claimed design. 

The ornamental design for a seat-tunnel assembly for a snowmobile, as shown and described. 